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Kakuta Y, Kato M, Shimoyama Y, Naito T, Moroi R, Kuroha M, Shiga H, Kinouchi Y, Masamune A. Usefulness and difficulties with the thiopurine pharmacogenomic NUDT15 genotyping test: Analysis of real-world data in Japan. J Pharmacol Sci 2023; 153:161-169. [PMID: 37770157 DOI: 10.1016/j.jphs.2023.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/17/2023] [Accepted: 09/08/2023] [Indexed: 10/03/2023] Open
Abstract
The usefulness of NUDT15 genotyping as a pharmacogenomic test for thiopurine has been established. The first such test developed to date, NUDT15 genotyping was approved for reimbursement in Japan in February 2019 for all indicated patients. We retrospectively examined claims data in Japan and confirmed that the proportion of patients who undergo genotyping before initiating a new thiopurine regimen has increased; furthermore, genotyping has improved the rate of treatment continuation and reduced on-treatment hospitalization. However, the genotyping rate before thiopurine induction was >50% for patients with inflammatory bowel disease and <20% for those with other immune-related diseases, indicating significant variation by disease field. Additionally, over 10% of tests were found to have been performed inappropriately, such as multiple genotyping of the same patient or testing more than 2 weeks after starting treatment. Although NUDT15 genotyping for patients requiring thiopurine treatment has been shown to improve thiopurine treatment continuation rate, measures are required to address the systematic issues identified in our analysis.
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Affiliation(s)
- Yoichi Kakuta
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan.
| | - Motohiro Kato
- Department of Pediatrics, University of Tokyo, Tokyo, Japan
| | - Yusuke Shimoyama
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Takeo Naito
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Rintaro Moroi
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Masatake Kuroha
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Hisashi Shiga
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yoshitaka Kinouchi
- Student Healthcare Center, Institute for Excellence in Higher Education, Tohoku University, Sendai, Japan
| | - Atsushi Masamune
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
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Nonino F, Baldin E, Ridley B, Casetta I, Iuliano G, Filippini G. Azathioprine for people with multiple sclerosis. Hippokratia 2021. [DOI: 10.1002/14651858.cd015005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Francesco Nonino
- IRCCS Istituto delle Scienze Neurologiche di Bologna; Bologna Italy
| | - Elisa Baldin
- IRCCS Istituto delle Scienze Neurologiche di Bologna; Bologna Italy
| | - Ben Ridley
- IRCCS Istituto delle Scienze Neurologiche di Bologna; Bologna Italy
| | - Ilaria Casetta
- Sezione di Clinica Neurologica; Dip.to di Discipline Medico Chirurgiche della Comunicazione e del Comportamento; Universita degli Studi di Ferrara; Ferrara Italy
| | | | - Graziella Filippini
- Scientific Director’s Office; Carlo Besta Foundation and Neurological Institute; Milan Italy
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General Principles of Immunotherapy in Neurological Diseases. CONTEMPORARY CLINICAL NEUROSCIENCE 2019. [DOI: 10.1007/978-3-030-19515-1_12] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Ginestal R, Pérez-Köhler B, Pérez-López P, Rodríguez M, Pascual G, Cebrián D, Bellón JM, García-Moreno F. Comparing the influence of two immunosuppressants (fingolimod, azathioprine) on wound healing in a rat model of primary and secondary intention wound closure. Wound Repair Regen 2018; 27:59-68. [PMID: 30368971 DOI: 10.1111/wrr.12685] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 09/26/2018] [Accepted: 10/08/2018] [Indexed: 12/01/2022]
Abstract
In this study, rat models of wound closure by first and second intention were developed to evaluate the influence that two immunosuppressants for treating multiple sclerosis (fingolimod, azathioprine) have on wound healing. Sixty-three Sprague-Dawley rats were daily treated with fingolimod (0.6 mg/kg), azathioprine (2.5 mg/kg), or placebo (saline). Following 6 weeks of treatment, a linear incision (1.5 cm) or a circular excisional defect (diameter 1.5 cm) was made on the dorsal skin. The treatments were uninterrupted and after 7 days (incisional) or 21 days (incisional, excisional), animals were euthanized (n = 7 per group and time-point). Morphometric (wound closure), histological (stainings), and immunofluorescent studies (macrophages) were performed to evaluate the healing process. For both the incisional and excisional defects, animals treated with fingolimod exhibited a healing process equivalent to that of placebo in terms of collagenization, wound closure, and macrophage response. By comparison, groups treated with azathioprine displayed a delay in healing times which was especially evident in the excisional defect, where inflammatory reaction and collagen deposition in the repair tissue remained active by day 21. These results show that immunosuppressants with a selective mechanism of action (fingolimod) can have less impact on wound healing than their classical nonselective counterparts (azathioprine).
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Affiliation(s)
- Ricardo Ginestal
- Neurology Department, Hospital Clínico San Carlos, Madrid, Spain
| | - Bárbara Pérez-Köhler
- Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcala, Madrid, Spain.,Biomedical Research Networking Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain.,Ramón y Cajal Health Research Institute (IRYCIS), Madrid, Spain
| | - Paloma Pérez-López
- Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcala, Madrid, Spain.,Biomedical Research Networking Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
| | - Marta Rodríguez
- Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcala, Madrid, Spain.,Biomedical Research Networking Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain.,Ramón y Cajal Health Research Institute (IRYCIS), Madrid, Spain
| | - Gemma Pascual
- Biomedical Research Networking Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain.,Ramón y Cajal Health Research Institute (IRYCIS), Madrid, Spain.,Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcala, Madrid, Spain
| | - David Cebrián
- Experimental Therapeutics Programme, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Juan M Bellón
- Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcala, Madrid, Spain.,Biomedical Research Networking Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain.,Ramón y Cajal Health Research Institute (IRYCIS), Madrid, Spain
| | - Francisca García-Moreno
- Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcala, Madrid, Spain.,Biomedical Research Networking Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain.,Ramón y Cajal Health Research Institute (IRYCIS), Madrid, Spain
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A novel ABCC6 haplotype is associated with azathioprine drug response in myasthenia gravis. Pharmacogenet Genomics 2017; 27:51-56. [PMID: 27922550 DOI: 10.1097/fpc.0000000000000257] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
OBJECTIVE We investigated the association of single nucleotide polymorphisms (SNPs) in drug-metabolizing enzymes and transporters (DMETs) with the response to azathioprine (AZA) in patients affected by myasthenia gravis (MG) to determine possible genotype-phenotype correlations. PATIENTS AND METHODS Genomic DNA from 180 AZA-treated MG patients was screened through the Affymetrix DMET platform, which characterizes 1931 SNPs in 225 genes. The significant SNPs, identified to be involved in AZA response, were subsequently validated by allelic discrimination and direct sequencing. SNP analysis was carried out using the SNPassoc R package and the haploblocks were determined using haploview software. RESULTS We studied 127 patients in the discovery phase and 53 patients in the validation phase. We showed that two SNPs (rs8058694 and rs8058696) found in ATP-binding cassette subfamily C member 6, a subfamily member of ATP-binding cassette genes, constituted a new haplotype associated with AZA response in MG patients in the discovery cohort (P=0.011; odds ratio: 0.40; 95% confidence interval: 0.20-0.83) and in the combined cohort (P=0.04; odds ratio: 1.58). CONCLUSION These findings highlight the role that the ATP-binding cassette subfamily C member 6 haplotype may play in AZA drug response. In view of the significant effects and AZA intolerance, these novel SNPs should be taken into consideration in pharmacogenetic profiling for AZA.
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Gajofatto A, Turatti M, Benedetti MD. Primary progressive multiple sclerosis: current therapeutic strategies and future perspectives. Expert Rev Neurother 2016; 17:393-406. [PMID: 27813441 DOI: 10.1080/14737175.2017.1257385] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Multiple sclerosis (MS) is a chronic inflammatory condition of the central nervous system with heterogeneous features. Primary progressive (PP) MS is a rare disease subtype characterized by continuous disability worsening from onset. No disease-modifying therapy is currently approved for PP MS due to the negative or inconsistent results of clinical trials conducted on a wide range of interventions, which are reviewed in the present paper. Areas covered: The features and results of randomized trials of disease-modifying treatments for PP MS are discussed, including immunosuppressants, immunomodulators, monoclonal antibodies, and putative neuroprotective agents. Expert commentary: The recent encouraging results of the ocrelizumab trial in PP MS, the first to reach the primary disability endpoint, indicate B cells as a promising therapeutic target to prevent disease progression. Other emerging treatment strategies include cell metabolism modulation and inflammatory pathways inhibition, which are being investigated in several ongoing phase II and III placebo-controlled trials. Future PP MS trials will need to systematically include efficacy endpoints other than physical disability alone, such as cognition, quality of life, advanced MRI measures and molecular biomarkers.
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Affiliation(s)
- Alberto Gajofatto
- a Department of Neuroscience, Biomedicine and Movement Sciences , University of Verona , Verona , Italy
| | - Marco Turatti
- b Department of Neuroscience , Azienda Ospedaliera Universitaria Integrata Verona , Verona , Italy
| | - Maria Donata Benedetti
- b Department of Neuroscience , Azienda Ospedaliera Universitaria Integrata Verona , Verona , Italy
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Abstract
There have been significant advances in our understanding of human autoimmunity that have led to improvements in classification and diagnosis and, most importantly, research advances in new therapies. The importance of autoimmunity and the mechanisms that lead to clinical disease were first recognized about 50 years ago following the pioneering studies of Macfarlane Burnett and his Nobel Prize-winning hypothesis of the 'forbidden clone'. Such pioneering efforts led to a better understanding not only of autoimmunity, but also of lymphoid cell development, thymic education, apoptosis and deletion of autoreactive cells. Contemporary theories suggest that the development of an autoimmune disease requires a genetic predisposition and environmental factors that trigger the immune pathways that lead, ultimately, to tissue destruction. Despite extensive research, there are no genetic tools that can be used clinically to predict the risk of autoimmune disease. Indeed, the concordance of autoimmune disease in identical twins is 12-67%, highlighting not only a role for environmental factors, but also the potential importance of stochastic or epigenetic phenomena. On the other hand, the identification of cytokines and chemokines, and their cognate receptors, has led to novel therapies that block pathological inflammatory responses within the target organ and have greatly improved the therapeutic effect in patients with autoimmune disease, particularly rheumatoid arthritis. Further advances involving the use of multiplex platforms for diagnosis and identification of new therapeutic agents should lead to major breakthroughs within the next decade.
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Affiliation(s)
- Lifeng Wang
- Research Center for Biological Therapy, The Institute of Translational Hepatology, Beijing 302 Hospital, Beijing, China
| | - Fu-Sheng Wang
- Research Center for Biological Therapy, The Institute of Translational Hepatology, Beijing 302 Hospital, Beijing, China
| | - M Eric Gershwin
- Division of Rheumatology, Allergy and Clinical Immunology, University of California at Davis School of Medicine, Davis, CA, USA
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Calabrese M, Gajofatto A, Benedetti MD. Therapeutic strategies for relapsing-remitting multiple sclerosis: a special focus on reduction of grey matter damage as measured by brain atrophy. Expert Rev Neurother 2014; 14:1417-28. [PMID: 25391525 DOI: 10.1586/14737175.2014.979794] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
In the past two decades, several pathological and radiological findings convincingly demonstrated that damage of the cortical and deep grey matter is a key issue in multiple sclerosis with a significant impact on physical and cognitive disability. Moreover, it has become increasingly evident that the effect of available therapies on the inflammatory white matter damage is not a guarantee of a meaningful effect on the neurodegenerative process mainly affecting the grey matter. Despite the efficacy of all approved disease-modifying drugs should be measured considering such a relevant aspect of the disease, data from clinical trials are few, scattered and heterogeneous. The aim of this review is to summarize the evidence so far acquired on the effect of reducing grey matter damage produced by current and emerging disease-modifying therapies for multiple sclerosis.
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Affiliation(s)
- Massimiliano Calabrese
- Neurology section, Department of Neurological and Movement Sciences, Policlinico di Borgo Roma, Azienda Ospedaliera Universitaria Integrata Verona, University of Verona, Piazzale Ludovico Antonio Scuro, 37134, Verona, Italy
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Ticha V, Kalincik T, Havrdova E. Interferon-β or azathioprine as add-on therapies in patients with active multiple sclerosis. Neurol Res 2012; 34:923-30. [PMID: 22910063 DOI: 10.1179/1743132812y.0000000090] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
OBJECTIVES To evaluate safety and efficacy of add-on low-dose azathioprine or interferon (IFN)-beta in patients with active multiple sclerosis despite monotherapy. METHODS This retrospective observational study evaluated 5-year data from 85 patients with active multiple sclerosis despite monotherapy with either IFN-beta or azathioprine, who received add-on azathioprine or IFN-beta, respectively. In a subgroup of 23 patients, 10-year data were analysed. Clinical (relapse frequency, disability) and laboratory effects were compared preceding and following the addition of second drug and between the two treatment regimens. Potential serious adverse events were evaluated. RESULTS The add-on treatment triggered a drop in annualised relapse rate by approximately 1.5 points sustained over 5 and 10 years. No effect on disability was observed. Simultaneously, white blood cell and lymphocyte counts decreased, being below the physiological levels in 8-26% and 13-52% of patients at each time point, respectively. The drop in relapse rate was independent from the dosage of azathioprine or changes in lymphocyte count. Comparison between the two treatment regimens showed that, with the exception of lymphocyte count, these effects were triggered by the add-on of interferon but not azathioprine. The combination therapy was well tolerated; however, after 5 years on treatment a moderately increased incidence of cancer was observed. CONCLUSIONS IFN-beta as add-on to azathioprine decreases relapse activity in active multiple sclerosis. In contrast, azathioprine add-on in patients with suboptimal response to IFN-beta does not improve the control over the disease activity.
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Affiliation(s)
- Veronika Ticha
- Department of Neurology and Center of Clinical Neuroscience, Charles University in Prague, First Faculty of Medicine and General University Hospital in Prague, Czech Republic.
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Kim W, Kim SH, Kim HJ. New insights into neuromyelitis optica. J Clin Neurol 2011; 7:115-27. [PMID: 22087205 PMCID: PMC3212597 DOI: 10.3988/jcn.2011.7.3.115] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2011] [Revised: 06/13/2011] [Accepted: 06/13/2011] [Indexed: 01/15/2023] Open
Abstract
Neuromyelitis optica (NMO) is an idiopathic inflammatory disorder of the central nervous system (CNS) that preferentially affects the optic nerves and spinal cord. In Asia, NMO has long been considered a subtype of multiple sclerosis (MS). However, recent clinical, pathological, immunological, and imaging studies have suggested that NMO is distinct from MS. This reconsideration of NMO was initially prompted by the discovery of a specific antibody for NMO (NMO-IgG) in 2004. NMO-IgG is an autoantibody that targets aquaporin-4 (AQP4), the most abundant water channel in the CNS; hence, it was named anti-AQP4 antibody. Since it demonstrated reasonable sensitivity and high specificity, anti-AQP4 antibody was incorporated into new diagnostic criteria for NMO.The spectrum of NMO is now known to be wider than was previously recognized and includes a proportion of patients with recurrent, isolated, longitudinally extensive myelitis or optic neuritis, and longitudinally extensive myelitis or optic neuritis associated with systemic autoimmune disease or with brain lesions typical of NMO. In this context, a new concept of "NMO spectrum disorders" was recently introduced. Furthermore, seropositivity for NMO-IgG predicts future relapses and is recognized as a prognostic marker for NMO spectrum disorders. Humoral immune mechanisms, including the activation of B-cells and the complement pathway, are considered to play important roles in NMO pathogenesis. This notion is supported by recent studies showing the potential pathogenic role of NMO-IgG as an initiator of NMO lesions. However, a demonstration of the involvement of NMO-IgG by the development of active immunization and passive transfer in animal models is still needed. This review focuses on the new concepts of NMO based on its pathophysiology and clinical characteristics. Potential management strategies for NMO in light of its pathomechanism are also discussed.
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Affiliation(s)
- Woojun Kim
- Department of Neurology, Research Institute and Hospital of National Cancer Center, Goyang, Korea
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Miljković D, Timotijević G, Stojković MM. Astrocytes in the tempest of multiple sclerosis. FEBS Lett 2011; 585:3781-8. [DOI: 10.1016/j.febslet.2011.03.047] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2011] [Revised: 03/21/2011] [Accepted: 03/23/2011] [Indexed: 12/11/2022]
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Roux KL, Kodjikian L, Marignier R, Bancel J, Broussolle C, Sève P. Intrathecal Synthesis of Immunoglobulins in Patients with Unexplained Intermediate Uveitis. Ocul Immunol Inflamm 2010; 19:26-31. [DOI: 10.3109/09273948.2010.505357] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Pols TWH, Bonta PI, Pires NMM, Otermin I, Vos M, de Vries MR, van Eijk M, Roelofsen J, Havekes LM, Quax PHA, van Kuilenburg ABP, de Waard V, Pannekoek H, de Vries CJM. 6-mercaptopurine inhibits atherosclerosis in apolipoprotein e*3-leiden transgenic mice through atheroprotective actions on monocytes and macrophages. Arterioscler Thromb Vasc Biol 2010; 30:1591-7. [PMID: 20413732 DOI: 10.1161/atvbaha.110.205674] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE 6-Mercaptopurine (6-MP), the active metabolite of the immunosuppressive prodrug azathioprine, is commonly used in autoimmune diseases and transplant recipients, who are at high risk for cardiovascular disease. Here, we aimed to gain knowledge on the action of 6-MP in atherosclerosis, with a focus on monocytes and macrophages. METHODS AND RESULTS We demonstrate that 6-MP induces apoptosis of THP-1 monocytes, involving decreased expression of the intrinsic antiapoptotic factors B-cell CLL/Lymphoma-2 (Bcl-2) and Bcl2-like 1 (Bcl-x(L)). In addition, we show that 6-MP decreases expression of the monocyte adhesion molecules platelet endothelial adhesion molecule-1 (PECAM-1) and very late antigen-4 (VLA-4) and inhibits monocyte adhesion. Screening of a panel of cytokines relevant to atherosclerosis revealed that 6-MP robustly inhibits monocyte chemoattractant chemokine-1 (MCP-1) expression in macrophages stimulated with lipopolysaccharide (LPS). Finally, local delivery of 6-MP to the vessel wall, using a drug-eluting cuff, attenuates atherosclerosis in hypercholesterolemic apolipoprotein E*3-Leiden transgenic mice (P<0.05). In line with our in vitro data, this inhibition of atherosclerosis by 6-MP was accompanied with decreased lesion monocyte chemoattractant chemokine-1 levels, enhanced vascular apoptosis, and reduced macrophage content. CONCLUSIONS We report novel, previously unrecognized atheroprotective actions of 6-MP in cultured monocytes/macrophages and in a mouse model of atherosclerosis, providing further insight into the effect of the immunosuppressive drug azathioprine in atherosclerosis.
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Affiliation(s)
- Thijs W H Pols
- Department of Medical Biochemistry, Academic Medical Center, Amsterdam, the Netherlands
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